Sending a Ethernet Frame
- https://networkengineering.stackexchange.com/questions/45352/calculate-the-fcs-number-from-a-frame-ethernet
- https://en.wikipedia.org/wiki/Ethernet_frame
- https://hpd.gasmi.net/
- https://crccalc.com/
- https://www.cs.jhu.edu/~scheideler/courses/600.344_S02/CRC.html
- https://github.com/Michaelangel007/crc32